Truck bumper



FIG. 1 is a left, front perspective view of a truck bumper showing our new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a left side elevation view thereof, the right side being a mirror image of that shown. 

The ornamental design for a truck bumper, as shown and described. 